Welcome to our dedicated page for Amphenol SEC filings (Ticker: APH), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Amphenol Corporation (NYSE: APH) SEC filings page on Stock Titan brings together the company’s regulatory disclosures from the U.S. Securities and Exchange Commission, with AI-powered tools to help interpret complex documents. Amphenol uses Form 8-K current reports extensively to announce material events, including acquisitions, financing arrangements and governance changes.
Recent APH filings include Form 8-K reports detailing the completion of the acquisition of CommScope’s Connectivity and Cable Solutions business for approximately $10.5 billion in cash, the entry into three-year and 364-day unsecured delayed draw term loan credit agreements intended to help finance that acquisition, and the issuance of multiple series of senior notes with maturities ranging from 2027 to 2055. Other 8-Ks cover topics such as quarterly financial results, the acquisition of Trexon, the acquisition of Rochester Sensors, and the appointment of Sanjiv Lamba to Amphenol’s board of directors.
On this page, you can review Amphenol’s current reports on Form 8-K, as well as its annual reports on Form 10-K, quarterly reports on Form 10-Q and other registered securities documents when available. These filings provide insight into Amphenol’s interconnect, sensor and cable businesses, its capital structure, and its acquisition and financing strategies.
Stock Titan enhances these documents with AI-powered summaries that highlight key terms, such as acquisition consideration, financing amounts, segment classification for acquired businesses, and significant changes in governance or capital markets activity. Users can also quickly locate information about Amphenol’s registered securities, including its Class A common stock and listed senior notes, and monitor new filings as they are posted to EDGAR.
For investors analyzing APH stock, this filings page offers a structured way to review Amphenol’s regulatory history, understand the details behind major transactions like the CCS acquisition and Trexon purchase, and see how the company discloses risks, non-GAAP measures and other important information in its SEC reports.
FMR LLC has filed an amended Schedule 13G reporting beneficial ownership of 86,361,390.09 shares of Amphenol Corporation Class A common stock, representing 7.1% of the class as of 12/31/2025. FMR reports sole voting power over 77,882,503.76 shares and sole dispositive power over the full 86,361,390.09 shares.
Abigail P. Johnson is separately listed as a reporting person with the same 86,361,390.09 shares beneficially owned and 7.1% of the class, with sole dispositive power but no sole or shared voting power. The securities are certified as acquired and held in the ordinary course of business, not for the purpose of changing or influencing control of Amphenol. One or more other persons may receive dividends or sale proceeds, but no such person has an interest exceeding five percent of the class.
Amphenol Corporation announced a planned leadership transition at the board level. Long-time director Martin H. Loeffler, who previously served as President, Chief Executive Officer and has been Chairman of the Board since 1997, notified the company on February 4, 2026 that he intends to retire from the Board effective on the date of Amphenol’s 2026 Annual Meeting of Stockholders, expected in May 2026. The company stated that his retirement is not due to any disagreement regarding operations, policies or practices. The Board also appointed current President and Chief Executive Officer R. Adam Norwitt to assume the additional role of Chairman of the Board, effective on the same meeting date.
Amphenol Corporation executive Michael R. Ivas reported a trust distribution of company stock. On January 29, 2026, he acquired 2,536 shares of Class A Common Stock at $0 per share through a distribution from his grantor retained annuity trust for no consideration. Following this transfer, he directly beneficially owned 154,948 shares. The filing also notes indirect ownership of 2,995 shares held by his children and 1,700 shares held by his spouse.
Amphenol Corporation filed a current report to note that it issued a press release with its financial results for the quarter and year ended December 31, 2025. The release, dated January 28, 2026, is attached as Exhibit 99.1 and incorporated by reference.
The company highlights that the materials may include forward-looking statements subject to risks outlined in its Annual Report on Form 10-K for the year ended December 31, 2024 and other SEC reports. The information in this report, including Exhibit 99.1, is being furnished rather than filed and is not subject to Section 18 liability.
Amphenol Corporation has completed its acquisition of the Connectivity and Cable Solutions business of CommScope Holding Company, Inc. for approximately $10.5 billion in cash, subject to customary post-closing adjustments. The transaction closed under a previously disclosed purchase agreement dated August 3, 2025, and brings a large connectivity and cable portfolio under Amphenol’s control. The company also issued a press release announcing the closing, which is attached as an exhibit, and plans to provide required financial statements for the acquired business in a later amendment.
Amphenol Corporation director Sanjiv Lamba reported receiving a grant of restricted stock. On 01/08/2026, he acquired 548 shares of Amphenol restricted stock at a reported price of $136.25 per share under the 2024 Restricted Stock Plan for Directors of Amphenol Corporation. Following this award, he beneficially owns 548 shares of Amphenol stock directly.
Amphenol Corporation director Sanjiv Lamba filed an initial ownership report as a company insider. The filing identifies him as a director of Amphenol Corporation, which trades under the symbol APH. In this report, he lists beneficial ownership of 0 shares of Class A common stock, held directly. No derivative securities such as options or warrants are reported, and there are no transactions disclosed, only the statement of current holdings.
Amphenol Corporation reported that its Board of Directors increased the size of the Board from eight to nine members and appointed Sanjiv Lamba, age 61, as a director effective January 8, 2026. He will serve as a non-employee director and receive cash and equity compensation consistent with Amphenol’s existing non-employee director compensation program described in its April 4, 2025 proxy statement.
Mr. Lamba will receive a prorated interim grant of restricted shares under the 2024 Restricted Stock Plan for Directors and will enter into the company’s standard indemnification agreement. The Board determined that he qualifies as an independent director under New York Stock Exchange rules. He has not yet been assigned to any Board committees, and the company states there are no related-party transactions or special arrangements connected to his selection. Amphenol furnished a related press release as an exhibit.
Amphenol Corporation director reports gift of shares
A director of Amphenol Corporation reported an indirect transfer of Class A Common Stock on 12/10/2025. The filing shows that 3,228 shares of Class A Common Stock were disposed of as a gift by a revocable trust, identified with transaction code “G.” The closing price of the shares on the gift date was $138.68.
After this transaction, the revocable trust beneficially owned 1,333,146 shares of Amphenol Class A Common Stock on an indirect basis. In addition, 2,360 shares are shown as restricted stock awarded under the 2024 Restricted Stock Plan for Directors of Amphenol Corporation.
Amphenol Corporation (APH) reported an insider transaction by its President and CEO, who is also a director. On 12/09/2025, he reported a transaction coded "G," indicating a gift of 75,000 shares of Class A common stock at a closing price of $138.58 per share. After this transaction, he beneficially owns 1,927,507 Class A shares directly, plus 864,177 shares held by the Norwitt Family Trust and 3,968 shares held through his IRA. This filing shows a transfer of shares rather than a market sale, while maintaining a substantial ongoing ownership stake.